Semca 18K Gold Triple Calendar Chronograph – Valjoux 72C – Vintage Rare vintage Semca triple calendar chronograph in solid 18K rose gold, powered by the legendary Valjoux 72C movement. This is a classic three-register complication showing day, month, and date, combining elegant mid‑century design with one of the most respected chronograph calibers of its era. The silver dial features three registers, a full calendar display (day of the week, month of the year, and date of the month), and well-preserved printing with crisp, clean text. Two calendar quick‑set pushers on the case flank make setting the calendar practical, and all calendar functions set and advance correctly. The chronograph starts, stops, and resets precisely to zero, and the watch is running excellently and keeping very good time. The solid 18K gold case measures 36 mm in diameter, 44 mm lug‑to‑lug, with 18 mm lug width, giving it a classic vintage presence that wears well on the wrist. It is fitted with a high‑quality honey‑brown genuine Italian calfskin strap from Hadley‑Roma that complements the warmth of the gold case beautifully. Condition is excellent for its age, with very minimal patina on the dial and case, strong and legible printing, and hands in outstanding condition. Overall, this Semca Valjoux 72C triple calendar chronograph is a desirable and hard‑to‑find vintage piece for collectors who appreciate complicated watches and historic chronograph movements.